Moderna’s new flu vaccine, based on the same mRNA technology used in its COVID-19 shot, showed promising results in a major trial.

With winter here, South Africa faces a rise in flu cases. This article explores the influenza virus, its symptoms, and ...

"This is a very clear effort to shine a light on this anti-vaccine trope: that thimerosal is somehow dangerous.” ...

Moderna on Monday said its experimental mRNA-based flu vaccine produced a stronger immune response than a currently available shot in a late-stage trial, clearing a path forward for the product and ...

U.S. Health Secretary Robert F. Kennedy Jr’s newly appointed Advisory Committee on Immunization Practices (ACIP) upheld ...

New vaccine advisers endorse this fall’s flu vaccinations for just about every American but throw in a twist: Only use certain shots free of thimerosal.

Flu shots save lives across the United States every year. These vaccines are good at protecting the population from severe influenza infections, but not every person gets the same level of protection.

A version of this article appears in print on May 30, 2025, Section A, Page 16 of the New York edition with the headline: Moderna’s Contract to Make Bird Flu Vaccine Is Canceled.

You may want to avoid certain medications after getting a flu shot. Some medications might also affect the type of flu vaccine you get. Don’t stop taking any medications your doctor has prescribed.

If you haven’t gotten your flu shot yet, Dr. Russo recommends scheduling an appointment ASAP. “There’s a lot of flu going on right now and it’s going to be with us for a bit,” he says.

Dr. Shah explains that the flu shot typically contains up to four different inactive strains covering the two main types of flu: A and B. Getting the flu shot, he says, does not mean someone gets ...